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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, Jun-27-2016, 03:23:10 AM   #1
Steve M3
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Default SMG Pump Motor Replacement On Car - DIY

I received my Burkhart Engineering SMG pump motor replacement this week and couldn't wait to install it. The hot temps that we've been getting in south Texas combined with rush hour traffic have been giving me neutral drops quite often after about 45 minutes of driving. With my average commute right at an hour, this was obviously not a good thing!

Most DIYs I've found have shown that you have to remove the pump from the vehicle to change out the motor. I don't have access to autoenginuity and didn't want to flat bed my car to a dealer, so I decided to attempt the install with the pump still attached to the car.

I decided to go from underneath the car as it made most sense after looking at the orientation of the system in this photo:



The pump is in pretty close quarters, but it is completely doable from underneath the car. I had to remove the metal skid plate, driver's side FCAB and steering shaft, but I was able to swap it with only a few hours work. The car immediately primed back up and drove and shifted fine after.

Here is a DIY I put together with some photos and video I took during the install. Hopefully this will help a few others out that are attempting to do the same thing


I've driven about 100 miles in the past two days with the new motor and the car seems to have no problem shifting gears and selects them very quickly. With it being an indicated 97 today, I was happy to see no cog lights after about 60 miles of driving in various situations

The kit from BE also comes with a new temp sensor and high performance oil, I didn't install the temp sensor, but I did siphon out the old oil from the reservoir and replace with the new oil. If I can get access to autoenginuity, I would like to completely replace the old oil with the new oil but that will have to wait for now. Overall, it was a good experience and I could probably do it in half the time if I had to do it again
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Old Mon, Jun-27-2016, 03:44:33 AM   #2
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Default Re: SMG Pump Motor Replacement On Car - DIY

Nice work. I've replaced the F1 pump motor in a Ferrari F430 I used to have, and it was very simple. Same basic procedure as this one, but much less disassembly since its easily accessible in that car. Most people think that if your "pump goes bad", that it means you have to replace the whole thing. The pump head and assembly rarely ever need replacing, its the motor that burns out causing it to stop working. Between the pump motor and accumulator, you'd have a completely overhauled SMG pump, at a fraction of the cost.
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Old Mon, Jun-27-2016, 03:49:55 AM   #3
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Default Re: SMG Pump Motor Replacement On Car - DIY

Very detail video, thank you!
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Old Mon, Jun-27-2016, 03:51:11 AM   #4
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Default Re: SMG Pump Motor Replacement On Car - DIY

Nice DIY will be very helpful for the ones in need of new motor. The new motor has the same power output as OEM? Any difference or improvement? just curious.
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Old Mon, Jun-27-2016, 04:16:45 AM   #5
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Default Re: SMG Pump Motor Replacement On Car - DIY

Awesome job!
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Old Mon, Jun-27-2016, 04:29:38 AM   #6
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Default Re: SMG Pump Motor Replacement On Car - DIY

Incredible job. This should be stickied! Thanks for sharing and taking the time to fully document this. I am also curious if you have noticed any improvements. Would you mind posting a link to where you ordered your motor/kit from? Keep us posted on the longevity. Subscribed.
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Old Mon, Jun-27-2016, 05:07:09 AM   #7
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Default Re: SMG Pump Motor Replacement On Car - DIY

Sticky Please!

Excellent DIY!! Must of been a great feeling when you got this done and it shifted gears with NO issues!! Is the Temp Sensor accessible when the motor is out? Thanks for doing this.
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Old Mon, Jun-27-2016, 05:08:49 AM   #8
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Default Re: SMG Pump Motor Replacement On Car - DIY

Good DIY to have. Thanks for posting
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Old Mon, Jun-27-2016, 05:43:27 AM   #9
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Default Re: SMG Pump Motor Replacement On Car - DIY

Congrats and thank you.
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Old Mon, Jun-27-2016, 06:05:56 AM   #10
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Default SMG Pump Motor Replacement On Car - DIY

This is great info. Can you confirm that this is what you ordered ?


http://burkhart-engineering.com/epag...1&Locale=en_GB
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Last edited by daytonaviolet; Mon, Jun-27-2016 at 06:09:15 AM.
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Discussing SMG Pump Motor Replacement On Car - DIY in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)